Estimated Fair Value for the Entire Acquisition Which is Not Currently Complete and is Not Limited to Portion of Acquisition Completed (Detail) (USD $) In Thousands	Sep. 30, 2011
Assets
Property, plant And equipment	$ 1,452,000
Notes receivable, net	42,000
Other assets	9,000
Total Assets	1,503,000
Liabilities
Mortgage notes payable	549,000
Accrued payroll and other operating expenses	2,000
Rents and other customer payments received in advance and security deposits	5,000
Total Liabilities	556,000
Lands
Assets
Property, plant And equipment	478,000
Manufactured homes
Assets
Property, plant And equipment	26,000
In-place leases
Assets
Property, plant And equipment	75,000
Depreciable property
Assets
Property, plant And equipment	$ 873,000

The amount of acquisition cost of a business combination allocated to customer advances and deposits.

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Business Acquisition, Purchase Price Allocation, Assets [Abstract]

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Business Acquisition, Purchase Price Allocation, Liabilities [Abstract]

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- Definition

The amount of acquisition cost of a business combination allocated to assets acquired.

+ References

+ Details

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- Definition

The amount of acquisition cost of a business combination allocated to prepaid expenses and other current assets. Does not include amounts allocated to cash and cash equivalents, marketable securities, receivables, inventory, and assets not to be used.

+ References

+ Details

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- Definition

The amount of acquisition cost of a business combination allocated to receivables.

+ References

+ Details

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- Definition

The amount of acquisition cost of a business combination allocated to accrued expenses of the acquired entity.

+ References

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- Definition

The amount of acquisition cost of a business combination allocated to liabilities assumed.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 37

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The amount of acquisition cost of a business combination allocated to notes payables and long-term debt assumed from the acquired entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 51

-Subparagraph e

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Emerging Issues Task Force (EITF)

-Number 98-1

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 141

-Paragraph 37

-Subparagraph g

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

The amount of acquisition cost of a business combination allocated to property, plant and equipment to be used in ongoing operations.

+ References

+ Details

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